Who is Philemon in the book twice freed?

In the book "Twice Freed" by Patricia St. John, Philemon is a young slave in ancient Rome who struggles with his identity and desire for freedom. He is deeply affected by the teachings of Christianity, particularly those of the Apostle Paul, which inspire him to seek liberation from both physical and spiritual bondage. Throughout the story, Philemon's journey reflects themes of faith, redemption, and the quest for personal freedom. His character embodies the conflict between societal expectations and the pursuit of a higher moral calling.